* {
    margin: 0;
    padding: 0;
    list-style: none;
}

body {
    background-color: #fdfdfd;
}
%button{
    width: 80px;
    height: 25px;
    border: none;
    border-radius: 5px;
    position: absolute;
    bottom: 0;
    background:linear-gradient(to right,white 35%,red 35%);
    color: white;
    .icon-weibo{
        color: red;
    }
}
.box {
    width: 1500px;
    height: 70px;

    nav {
        width: 1263px;
        margin: 0 auto;
        display: flex;

        .frist {
            width: 1050px;
            display: flex;

            li {
                width: 150px;
                height: 70px;
                text-align: center;
                line-height: 70px;
                background: linear-gradient(to top, #bebebe, #fafafa);
                border: 1px solid gray;
                border-image: linear-gradient(#fff, rgba(0, 0, 0, 0.2)) 1;
                position: relative;

                &:hover {
                    background: gray;

                    .second {
                        display: block;
                        height: 280px;
                    }

                }

                .second {
                    position: absolute;
                    top: 100%;
                    left: -1px;
                    height: 0;
                    transition: all 0.3s;
                    overflow: hidden;

                    li {
                        width: 150px;
                        height: 70px;
                        text-align: center;
                        line-height: 70px;
                        background: linear-gradient(to top, #bebebe, #fafafa);
                        transition: all 0.3s;

                        &:hover {
                            background: gray;
                            transition: none;
                            border: 1px solid gray;
                        }
                    }
                }
            }
        }
    }

    .main {
        width: 1263px;
        margin: 0 auto;

        img {
            width: 1263px;
        }

        .img-bottom {
            width: 1064px;
            height: 33px;
            background-color: #00355b;
            margin: -5px auto;
            display: flex;
            justify-content: space-around;
            align-items: center;
            position: relative;

            &::before {
                content: "";
                border: 18px solid transparent;
                border-bottom: 18px solid white;
                border-left: 18px solid white;
                position: absolute;
                top: 0;
                left: 0;
            }

            &::after {
                content: "";
                border: 18px solid transparent;
                border-bottom: 18px solid white;
                border-right: 18px solid white;
                position: absolute;
                top: 0;
                right: 0;
            }

            .img-bottom-left {

                width: 50px;
                height: 24px;
                background: linear-gradient(to top, #024567 50%, #3b6d96 100%);
                position: relative;

                .sjx {
                    width: 0px;
                    height: 0px;
                    border: 12px solid #024567;
                    border-left-color: linear-gradient(to top, #024567 50%, #3b6d96 100%);
                    border-bottom-color: transparent;
                    border-top-color: transparent;
                    border-right-color: transparent;
                    position: absolute;
                    top: 0;
                    right: -24px;
                }

                p {
                    font-size: 11px;
                    color: white;
                    text-align: center;
                    line-height: 23px;
                }
            }

            p {
                font-size: 12px;
                color: white;
            }
        }


        .center {
            width: 1263px;
            margin: 0 auto;

            .center-one {
                width: 1263px;
                height: 390px;
                background-color: #fdfdfd;
                display: flex;
                justify-content: space-around;
                align-items: center;
                box-shadow: 0 26px 21px -28px black;

                .center-one-left {
                    width: 300px;
                    height: 270px;
                    box-shadow:0 32px 48px -31px black;

                    img {
                        width: 300px;
                    }

                    h3 {
                        text-align: center;
                        font-weight: 500;
                        margin: 20px 0 5px 0;
                    }

                    p {
                        width: 220px;
                        height: 25px;
                        font-size: 11px;
                        text-align: center;
                        color: gray;
                        line-height: 25px;
                        margin-left: 40px
                    }
                }

                .center-one-center {
                    @extend .center-one-left;

                    img {
                        width: 300px;
                    }

                    h3 {
                        text-align: center;
                        font-weight: 500;
                        margin: 20px 0 5px 0;
                    }

                    p {
                        width: 280px;
                        height: 25px;
                        font-size: 11px;
                        text-align: center;
                        color: gray;
                        line-height: 25px;
                        margin-left: 10px
                    }

                }

                .center-one-right {
                    @extend .center-one-center;
                }
            }

            .center-two {
                width: 1263px;
                height: 390px;
                background-color: #fdfdfd;
                justify-content: space-around;
                align-items: center;
                margin-top: 20px;
                box-shadow: 0 26px 21px -28px black;

                h1 {
                    text-align: center;
                }

                .center-two-center {
                    display: flex;
                    justify-content: space-around;
                    align-items: center;

                    img {
                        width: 520px;
                        height: 293px;
                    }

                    .center-two-right {
                        h3 {
                            margin-bottom: 10px;
                        }

                        p {
                            height: 30px;
                            line-height: 30px;
                            color: gray;

                            span {
                                font-style: italic;
                            }
                        }

                        .youyaotaohezi {
                            display: flex;
                            width: 300px;
                            justify-content: space-between;

                            button:first-of-type {
                                width: 135px;
                                height: 45px;
                                border: none;
                                border-radius: 5px;
                                margin-top: 20px;
                                color: white;
                                font-size: 16px;
                                background: linear-gradient(to top, #034c80 30%, #3b8bc5 100%)
                            }

                            .button {
                                width: 90px;
                                height: 45px;
                                border-right: 3px solid #636263;
                                border-radius: 5px 0 0 5px;
                                margin-top: 20px;
                                padding-left: 20px;
                                box-sizing: border-box;
                                display: flex;
                                background: linear-gradient(to top, black 30%, #4e4f50 100%);
                                position: relative;

                                p {
                                    color: white;
                                    line-height: 45px;
                                    font-size: 16px;

                                }

                                .share {
                                    width: 45px;
                                    height: 45px;
                                    border-radius: 0 5px 5px 0;
                                    background: linear-gradient(to top, black 30%, #4e4f50 100%);
                                    position: absolute;
                                    padding-top: 7px;
                                    padding-left: 7px;
                                    top: 0px;
                                    right: -48px;
                                    box-sizing: border-box;

                                    i {
                                        text-align: center;
                                        font-size: 30px;
                                        color: white;
                                    }
                                }

                            }
                        }

                    }
                }

            }

        }

    }

    footer {
        width: 1263px;
        height: 440px;
        background-color: #ebebeb;
        margin: 0 auto;
        box-shadow: inset 0 28px 41px -36px black;
        padding-top: 60px;
        box-sizing: border-box;
        position: relative;
        .xiaobiao{
            width: 20px;
            height: 20px;
            line-height: 20px;
            color: black;
            background-color: gray;
            transform: rotate(90deg);
            text-align: center;
            border-radius: 50%;
            position: absolute;
            top: -10px;
            left: 600px;
        }
        h2 {
            text-align: center;
            margin: 0 0 60px 0;
        }

        .footer-one {
            width: 100%;
            height: 86px;
            margin: 0 auto;
            display: flex;
            justify-content: space-around;
            margin-bottom: 30px;

            .foot-one-left {
                width: 192px;
                height: 86px;
                display: flex;

                .foot-one-left-right {
                    position: relative;
                    margin-left: 15px;
                    button{
                    @extend %button;
                    }
                }
            }

            .foot-one-center {
                width: 192px;
                height: 86px;
                display: flex;
                .foot-one-center-right{
                    position: relative;
                    margin-left: 15px;
                    button{
                    @extend %button;
                    }
                }
            }

            .foot-one-right {
                width: 192px;
                height: 86px;
                display: flex;
                .foot-one-right-right{
                    position: relative;
                    margin-left: 15px;
                    button{
                    @extend %button;
                    }
                }
            }
        }

        .footer-two {
            width: 100%;
            height: 86px;
            margin: 0 auto;
            display: flex;
            justify-content: space-evenly;
            margin-bottom: 30px;

            .foot-two-left {
                width: 192px;
                height: 86px;
                display: flex;

                .foot-two-left-right {
                    position: relative;
                    margin-left: 15px;
                    button{
                    @extend %button;
                    }
                }
            }

            .foot-two-right {
                 width: 192px;
                height: 86px;
                display: flex;

                .foot-two-right-right {
                    position: relative;
                    margin-left: 15px;
                    button{
                    @extend %button;
                    }
                }
            }
        }

        .footer-bottom{
            width:1263px ;
            height:62px ;
            background-color:#444444 ;
            display: flex;
            justify-content: space-around;
            align-items: center;
            .footer-bottom-left{
                width: 300px;
                height: 62px;
                display: flex;
                justify-content: space-around;
                align-items: center;
                color: white;
                font-size: 12px;
            }
        }
        .footer-bottom-right{
            font-size: 12px;
            color: white;
        }
    }

}